attachment_fields_to_save filter-hook . WP 1.0

This filter is documented in wp-admin/includes/media.php

Usage

add_filter( 'attachment_fields_to_save', 'filter_function_name_5270', 10, 2 );
function filter_function_name_5270( $post, $attachment_data ){
	// filter...

	return $post;
}

$post

-

$attachment_data

-

Where the hook is called

$post = apply_filters( 'attachment_fields_to_save', $post, $attachment_data );

$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );

$post = apply_filters( 'attachment_fields_to_save', $post, $attachment );

Where in WP core the hook is used WordPress

add_filter( 'attachment_fields_to_save', 'image_attachment_fields_to_save', 10, 2 );